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qt-1090.cpp
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qt-1090.cpp
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#
/*
* qt-1090 is based on and contains source code from dump1090
* Copyright (C) 2012 by Salvatore Sanfilippo <[email protected]>
* all rights acknowledged.
*
* The demodulation code is based on
* demod_2400.c: 2.4MHz Mode S demodulator.
* Copyright (c) 2014,2015 Oliver Jowett <[email protected]>
*
* qt-1090 Copyright (C) 2018
* Jan van Katwijk ([email protected])
* Lazy Chair Computing
*
* This file is part of the qt-1090
*
* qt-1090 is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* qt-1090 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with qt1090; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <QMessageBox>
#include <QFileDialog>
#include "adsb-constants.h"
#include "aircraft-handler.h"
#include "crc-handling.h"
#include "qt-1090.h"
#include "icao-cache.h"
#include "xclose.h"
#include "coordinates.h"
#include "device-handler.h"
#ifdef __HAVE_RTLSDR__
#include "rtlsdr-handler.h"
#endif
#ifdef __HAVE_AIRSPY__
#include "airspy-handler.h"
#endif
#ifdef __HAVE_SDRPLAY_V2
#include "sdrplay-handler-v2.h"
#endif
#ifdef __HAVE_SDRPLAY_V3
#include "sdrplay-handler-v3.h"
#endif
#ifdef __HAVE_HACKRF__
#include "hackrf-handler.h"
#endif
#ifdef __HAVE_PLUTO__
#include "pluto-handler.h"
#endif
#ifdef __HAVE_LIME__
#include "lime-handler.h"
#endif
#ifdef __HAVE_RTLTCP__
#include "rtl_tcp-handler.h"
#endif
#include "file-handler.h"
static
void *readerThreadEntryPoint (void *arg) {
deviceHandler *theDevice = static_cast <deviceHandler *>(arg);
theDevice -> startDevice ();
return nullptr;
}
qt1090::qt1090 (QSettings *qt1090Settings,
int32_t freq, bool network):
QMainWindow (nullptr) {
int i;
this -> qt1090Settings = qt1090Settings;
this -> frequency = freq;
this -> network = network;
setupUi (this);
this -> viewer = new spectrumViewer (plotgrid);
httpPort = qt1090Settings -> value ("http_port", 8080). toInt ();
bitstoShow = qt1090Settings -> value ("bitstoShow", 16). toInt ();
#ifdef __HAVE_RTLSDR__
deviceSelector -> addItem ("rtlsdr");
#endif
#ifdef __HAVE_AIRSPY__
deviceSelector -> addItem ("airspy");
#endif
#ifdef __HAVE_SDRPLAY_V2
deviceSelector -> addItem ("sdrplay-v2");
#endif
#ifdef __HAVE_SDRPLAY_V3
deviceSelector -> addItem ("sdrplay-v3");
#endif
#ifdef __HAVE_HACKRF__
deviceSelector -> addItem ("hackrf");
#endif
#ifdef __HAVE_PLUTO__
deviceSelector -> addItem ("pluto");
#endif
#ifdef __HAVE_LIME__
deviceSelector -> addItem ("lime");
#endif
#ifdef __HAVE_RTLTCP__
deviceSelector -> addItem ("rtl_tcp");
#endif
//#include "file-handler.h"
for (i = 0; i < 31; i ++)
table [i] = 0;
handle_errors = NO_ERRORFIX;
check_crc = true;
net = false;
httpServer = nullptr;
metric = false;
interactive = false;
handle_interactiveButton ();
interactive_ttl = INTERACTIVE_TTL;
dumpfilePointer = nullptr;
// Allocate the "working" vector
data_len = DATA_LEN + (FULL_LEN - 1) * 4;
magnitudeVector = new uint16_t [data_len / 2 + 10];
// Allocate the ICAO address cache.
icao_cache = new icaoCache ();
planeList = nullptr;
interactive_last_update = 0;
screenTimer. setInterval (2000);
connect (&screenTimer, SIGNAL (timeout ()),
this, SLOT (updateScreen ()));
screenTimer. start (2000);
/* Statistics */
stat_valid_preamble = 0;
stat_goodcrc = 0;
stat_fixed = 0;
stat_single_bit_fix = 0;
stat_two_bits_fix = 0;
stat_http_requests = 0;
stat_phase_corrected = 0;
//
ttl_selector -> setValue (INTERACTIVE_TTL);
if (qt1090Settings -> value ("autoBrowser", 0). toInt () != 0)
autoBrowserSelector -> setChecked (true);
// connect the device
connect (interactiveButton, SIGNAL (clicked ()),
this, SLOT (handle_interactiveButton ()));
connect (errorhandlingCombo, SIGNAL (activated (const QString &)),
this, SLOT (handle_errorhandlingCombo (const QString &)));
connect (httpButton, SIGNAL (clicked ()),
this, SLOT (handle_httpButton ()));
connect (ttl_selector, SIGNAL (valueChanged (int)),
this, SLOT (set_ttl (int)));
connect (metricButton, SIGNAL (clicked ()),
this, SLOT (handle_metricButton ()));
connect (dumpButton, SIGNAL (clicked ()),
this, SLOT (handle_dumpButton ()));
connect (deviceSelector, SIGNAL (activated (const QString &)),
this, SLOT (setDevice (const QString &)));
connect (set_coordinatesButton, SIGNAL (clicked ()),
this, SLOT (handle_set_coordinatesButton ()));
connect (autoBrowserSelector, SIGNAL (stateChanged (int)),
this, SLOT (handle_autoBrowser (int)));
// display the version
QString v = "qt-1090 -" + QString (CURRENT_VERSION);
QString versionText = "qt-1090 version: " + QString(CURRENT_VERSION);
versionText += " Build on: " + QString(__TIMESTAMP__) + QString (" ") + QString (GITHASH);
versionName -> setText (v);
versionName -> setToolTip (versionText);
}
qt1090::~qt1090 () {
delete[] magnitudeVector;
delete icao_cache;
delete theDevice;
}
void qt1090::finalize () {
net = false;
if (httpServer != nullptr) {
httpServer -> stop ();
delete httpServer;
fprintf (stderr, "httpServer is now quiet\n");
httpPortLabel -> setText (" ");
httpServer = nullptr;
stat_http_requests = 0;
}
running. store (false);
screenTimer. stop ();
if (theDevice != nullptr) {
fprintf (stderr, "going to stop the input\n");
theDevice -> stopDevice ();
usleep (1000);
pthread_cancel (reader_thread);
pthread_join (reader_thread, nullptr);
fprintf (stderr, "reader is quiet\n");
delete theDevice;
theDevice = nullptr;
}
}
/*
* Detect a Mode S messages inside the magnitude buffer pointed
* by 'm' and of size 'mlen' bytes.
* Every detected Mode S message is convert it into a
* stream of bits and passed to the function to display it.
*/
static inline int slice_phase0(uint16_t *m) {
return 5 * m[0] - 3 * m[1] - 2 * m[2];
}
static inline int slice_phase1(uint16_t *m) {
return 4 * m[0] - m[1] - 3 * m[2];
}
static inline int slice_phase2(uint16_t *m) {
return 3 * m[0] + m[1] - 4 * m[2];
}
static inline int slice_phase3(uint16_t *m) {
return 2 * m[0] + 3 * m[1] - 5 * m[2];
}
static inline int slice_phase4(uint16_t *m) {
return m[0] + 5 * m[1] - 5 * m[2] - m[3];
}
// 2.4MHz sampling rate version
//
// When sampling at 2.4MHz we have exactly 6 samples per 5 symbols.
// Each symbol is 500ns wide, each sample is 416.7ns wide
//
// We maintain a phase offset that is expressed in units of
// 1/5 of a sample i.e. 1/6 of a symbol, 83.333ns
// Each symbol we process advances the phase offset by
// 6 i.e. 6/5 of a sample, 500ns
//
// The correlation functions above correlate a 1-0 pair
// of symbols (i.e. manchester encoded 1 bit)
// starting at the given sample, and assuming that
// the symbol starts at a fixed 0-5 phase offset within
// m[0].
// They return a correlation value, generally
// interpreted as >0 = 1 bit, <0 = 0 bit
//
// TODO check if there are better (or more balanced)
// correlation functions to use here
//
void qt1090::detectModeS (uint16_t *m, uint32_t mlen) {
uint8_t msg [LONG_MSG_BITS / 8];
uint32_t j;
/*
* The Mode S preamble is made of impulses of 0.5 microseconds at
* the following time offsets:
*
* 0 - 0.5 usec: first impulse.
* 1.0 - 1.5 usec: second impulse.
* 3.5 - 4 usec: third impulse.
* 4.5 - 5 usec: last impulse.
*
* 0 -----------------
* 1 -
* 2 ------------------
* 3 --
* 4 -
* 5 --
* 6 -
* 7 ------------------
* 8 --
* 9 -------------------
*/
for (j = 0; j < mlen - 20; j++) {
uint16_t *preamble = &m [j];
int high;
uint32_t base_signal, base_noise;
int try_phase;
// Look for a message starting at around sample 0 with phase offset 3..7
// Ideal sample values for preambles with different phase
// Xn is the first data symbol with phase offset N
//
// sample#: 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0
// phase 3: 2/4\0/5\1 0 0 0 0/5\1/3 3\0 0 0 0 0 0 X4
// phase 4: 1/5\0/4\2 0 0 0 0/4\2 2/4\0 0 0 0 0 0 0 X0
// phase 5: 0/5\1/3 3\0 0 0 0/3 3\1/5\0 0 0 0 0 0 0 X1
// phase 6: 0/4\2 2/4\0 0 0 0 2/4\0/5\1 0 0 0 0 0 0 X2
// phase 7: 0/3 3\1/5\0 0 0 0 1/5\0/4\2 0 0 0 0 0 0 X3
//
// quick check: we must have a rising edge 0->1 and a falling edge 12->13
if (!(preamble [0] < preamble [1] &&
preamble [12] > preamble [13]) )
continue;
if (preamble [1] > preamble [2] && // 1
preamble [2] < preamble [3] &&
preamble [3] > preamble [4] && // 3
preamble [8] < preamble [9] &&
preamble[9] > preamble[10] && // 9
preamble [10] < preamble [11]) { // 11-12
// peaks at 1,3,9,11-12: phase 3
high = (preamble [1] + preamble [3] +
preamble[9] + preamble [11] + preamble[12]) / 4;
base_signal = preamble[1] + preamble[3] + preamble[9];
base_noise = preamble[5] + preamble[6] + preamble[7];
} else
if (preamble [1] > preamble[2] && // 1
preamble [2] < preamble[3] &&
preamble[3] > preamble[4] && // 3
preamble [8] < preamble[9] &&
preamble[9] > preamble[10] && // 9
preamble [11] < preamble [12]) { // 12
// peaks at 1,3,9,12: phase 4
high = (preamble [1] + preamble [3] +
preamble [9] + preamble [12]) / 4;
base_signal = preamble [1] + preamble [3] +
preamble [9] + preamble [12];
base_noise = preamble [5] + preamble [6] +
preamble [7] + preamble [8];
} else
if (preamble [1] > preamble [2] && // 1
preamble [2] < preamble [3] &&
preamble[4] > preamble[5] && // 3-4
preamble [8] < preamble [9] &&
preamble[10] > preamble[11] && // 9-10
preamble [11] < preamble[12]) { // 12
// peaks at 1,3-4,9-10,12: phase 5
high = (preamble [1] + preamble [3] +
preamble [4] + preamble [9] +
preamble [10] + preamble [12]) / 4;
base_signal = preamble [1] + preamble [12];
base_noise = preamble [6] + preamble [7];
} else
if (preamble[1] > preamble[2] && // 1
preamble[3] < preamble[4] &&
preamble[4] > preamble[5] && // 4
preamble[9] < preamble[10] &&
preamble[10] > preamble[11] && // 10
preamble[11] < preamble[12]) { // 12
// peaks at 1,4,10,12: phase 6
high = (preamble[1] + preamble[4] +
preamble [10] + preamble [12]) / 4;
base_signal = preamble [1] + preamble [4] +
preamble [10] + preamble [12];
base_noise = preamble [5] + preamble [6] +
preamble [7] + preamble [8];
} else
if (preamble [2] > preamble [3] && // 1-2
preamble [3] < preamble [4] &&
preamble [4] > preamble [5] && // 4
preamble [9] < preamble [10] &&
preamble[10] > preamble[11] && // 10
preamble [11] < preamble [12]) { // 12
// peaks at 1-2,4,10,12: phase 7
high = (preamble [1] + preamble [2] +
preamble [4] + preamble [10] + preamble [12]) / 4;
base_signal = preamble [4] + preamble [10] + preamble [12];
base_noise = preamble[6] + preamble[7] + preamble[8];
} else {
// no suitable peaks
continue;
}
// Check for enough signal
if (base_signal * 2 < 8 * base_noise) // about 3.5dB SNR
continue;
// Check that the "quiet" bits 6,7,15,16,17 are actually quiet
if (preamble [5] >= high / 2 ||
preamble [6] >= high / 2 ||
preamble [7] >= high / 2 ||
preamble [8] >= high / 2 ||
preamble [14] >= high / 2 ||
preamble [15] >= high / 2 ||
preamble [16] >= high / 2 ||
preamble [17] >= high / 2 ||
preamble [18] >= high / 2) {
continue;
}
// try phases until we find a good crc (if any)
validPreambles -> display ((int)stat_valid_preamble ++);
for (try_phase = 4; try_phase <= 8; ++try_phase) {
int msgType;
uint16_t *pPtr;
int phase, i, bytelen;
pPtr = &m [j + 19] + (try_phase / 5);
phase = try_phase % 5;
bytelen = LONG_MSG_BITS / 8;
for (i = 0; i < bytelen; ++i) {
uint8_t theByte = 0;
switch (phase) {
case 0:
theByte =
(slice_phase0 (pPtr) > 0 ? 0x80 : 0) |
(slice_phase2 (pPtr+2) > 0 ? 0x40 : 0) |
(slice_phase4 (pPtr+4) > 0 ? 0x20 : 0) |
(slice_phase1 (pPtr+7) > 0 ? 0x10 : 0) |
(slice_phase3 (pPtr+9) > 0 ? 0x08 : 0) |
(slice_phase0 (pPtr+12) > 0 ? 0x04 : 0) |
(slice_phase2 (pPtr+14) > 0 ? 0x02 : 0) |
(slice_phase4 (pPtr+16) > 0 ? 0x01 : 0);
phase = 1;
pPtr += 19;
break;
case 1:
theByte =
(slice_phase1 (pPtr) > 0 ? 0x80 : 0) |
(slice_phase3 (pPtr+2) > 0 ? 0x40 : 0) |
(slice_phase0 (pPtr+5) > 0 ? 0x20 : 0) |
(slice_phase2 (pPtr+7) > 0 ? 0x10 : 0) |
(slice_phase4 (pPtr+9) > 0 ? 0x08 : 0) |
(slice_phase1 (pPtr+12) > 0 ? 0x04 : 0) |
(slice_phase3 (pPtr+14) > 0 ? 0x02 : 0) |
(slice_phase0 (pPtr+17) > 0 ? 0x01 : 0);
phase = 2;
pPtr += 19;
break;
case 2:
theByte =
(slice_phase2 (pPtr) > 0 ? 0x80 : 0) |
(slice_phase4 (pPtr+2) > 0 ? 0x40 : 0) |
(slice_phase1 (pPtr+5) > 0 ? 0x20 : 0) |
(slice_phase3 (pPtr+7) > 0 ? 0x10 : 0) |
(slice_phase0 (pPtr+10) > 0 ? 0x08 : 0) |
(slice_phase2 (pPtr+12) > 0 ? 0x04 : 0) |
(slice_phase4 (pPtr+14) > 0 ? 0x02 : 0) |
(slice_phase1 (pPtr+17) > 0 ? 0x01 : 0);
phase = 3;
pPtr += 19;
break;
case 3:
theByte =
(slice_phase3 (pPtr) > 0 ? 0x80 : 0) |
(slice_phase0 (pPtr+3) > 0 ? 0x40 : 0) |
(slice_phase2 (pPtr+5) > 0 ? 0x20 : 0) |
(slice_phase4 (pPtr+7) > 0 ? 0x10 : 0) |
(slice_phase1 (pPtr+10) > 0 ? 0x08 : 0) |
(slice_phase3 (pPtr+12) > 0 ? 0x04 : 0) |
(slice_phase0 (pPtr+15) > 0 ? 0x02 : 0) |
(slice_phase2 (pPtr+17) > 0 ? 0x01 : 0);
phase = 4;
pPtr += 19;
break;
case 4:
theByte =
(slice_phase4 (pPtr) > 0 ? 0x80 : 0) |
(slice_phase1 (pPtr+3) > 0 ? 0x40 : 0) |
(slice_phase3 (pPtr+5) > 0 ? 0x20 : 0) |
(slice_phase0 (pPtr+8) > 0 ? 0x10 : 0) |
(slice_phase2 (pPtr+10) > 0 ? 0x08 : 0) |
(slice_phase4 (pPtr+12) > 0 ? 0x04 : 0) |
(slice_phase1 (pPtr+15) > 0 ? 0x02 : 0) |
(slice_phase3 (pPtr+17) > 0 ? 0x01 : 0);
phase = 0;
pPtr += 20;
break;
}
msg [i] = theByte;
if (i == 0) {
msgType = msg [0] >> 3;
switch (msgType) {
case 0: case 4: case 5: case 11:
bytelen = SHORT_MSG_BITS / 8;
break;
case 16: case 17: case 18: case 20: case 21: case 24:
break;
default:
bytelen = 1; // unknown DF, give up immediately
break;
}
}
}
if (bytelen == 1)
continue;
//
/* If we reached this point, it is possible that we
* have a Mode S message in our hands, but it may still be broken
* and CRC may not be correct.
* The message is decoded and checked, if false, we give up
*/
message mm (handle_errors, icao_cache, msg);
if (mm. is_crcok ()) {
// update statistics
if (mm. errorbit == -1) { // no corrections
if (mm. is_crcok ()) {
stat_goodcrc++;
goodCrc -> display ((int)stat_goodcrc);
}
}
else {
stat_fixed++;
fixed -> display ((int)stat_fixed);
if (mm. errorbit < LONG_MSG_BITS) {
stat_single_bit_fix++;
single_bit_fixed -> display ((int)stat_single_bit_fix);
}
else {
stat_two_bits_fix++;
two_bit_fixed -> display ((int)stat_two_bits_fix);
}
}
j += (PREAMBLE_US + bytelen * 8) * 2 * 8 * 6/5;
table [msgType & 0x1F] ++;
update_table (msgType & 0x1F, table [msgType & 0x1F]);
phase_corrected -> display ((int)try_phase);
/*
* Track aircrafts in interactive mode or if the HTTP
* interface is enabled.
*/
if (interactive || stat_http_requests > 0)
planeList = interactiveReceiveData (planeList, &mm);
/*
* In non-interactive way, display messages on standard output.
*/
if (!interactive) {
mm. displayMessage (check_crc);
printf ("\n");
}
break;
}
}
}
}
//////////////////////////////////////////////////////////////////////////
static inline
uint16_t jan_abs (std::complex<float> s) {
int16_t res = real (s) < 0 ? - real (s) : real (s);
res += imag (s) < 0 ? - imag (s) : imag (s);
return res;
}
// this slot is called upon the arrival of data
void qt1090::processData () {
std::complex<float> lbuf [DATA_LEN / 2];
static int flipper = 0;
if (!running. load ())
return;
while (theDevice -> Samples () > DATA_LEN / 2) {
theDevice -> getSamples (lbuf, DATA_LEN / 2);
memcpy (&magnitudeVector [0],
&magnitudeVector [DATA_LEN / 2],
((FULL_LEN - 1) * sizeof (uint16_t)) * 4 / 2);
for (int i = 0; i < DATA_LEN / 2; i ++)
magnitudeVector [(FULL_LEN - 1) * 4 / 2 + i] =
(int16_t) (jan_abs (lbuf [i]));
detectModeS (magnitudeVector, data_len / 2);
flipper ++;
if (flipper >= 4) {
viewer -> Display (lbuf, DATA_LEN / 2,
amplitudeSlider -> value ());
flipper = 0;
}
}
}
//
// Timer driven
void qt1090::updateScreen () {
planeList = removeStaleAircrafts (planeList,
interactive_ttl,
dumpfilePointer);
if (interactive)
showPlanes (planeList, metric);
}
//
///////////////////////////////////////////////////////////////////////
#include <QCloseEvent>
void qt1090::closeEvent (QCloseEvent *event) {
QMessageBox::StandardButton resultButton =
QMessageBox::question (this, "qt1090",
tr ("Are you sure?\n"),
QMessageBox::No | QMessageBox::Yes,
QMessageBox::Yes);
if (resultButton != QMessageBox::Yes) {
event -> ignore ();
} else {
finalize ();
event -> accept ();
}
}
void qt1090::handle_interactiveButton () {
interactive = !interactive;
if (interactive)
interactiveButton -> setText ("Streaming");
else
interactiveButton -> setText ("plane list");
}
void qt1090::handle_httpButton () {
net = !net;
if (net) {
float local_lat =
qt1090Settings -> value ("latitude", 52). toFloat ();
float local_lon =
qt1090Settings -> value ("longitude", 4). toFloat ();
bool autoBrowser =
qt1090Settings -> value ("autoBrowser", 0). toInt () != 0;
httpServer = new httpHandler (this,
std::complex<float> (local_lat,
local_lon),
QString::number (httpPort),
autoBrowser);
httpServer -> start ();
QString text = "port ";
text. append (QString:: number (httpPort));
stat_http_requests = 0;
httpPortLabel -> setText (text);
httpButton -> setText ("http on");
}
else
if (httpServer != nullptr) {
httpServer -> stop ();
httpPortLabel -> setText (" ");
httpButton -> setText ("http off");
stat_http_requests = 0;
delete httpServer;
httpServer = nullptr;
}
}
void qt1090::set_ttl (int l) {
interactive_ttl = l;
}
void qt1090::handle_metricButton () {
metric = !metric;
metricButton -> setText (metric ? "metric" : "not metric");
}
void qt1090::handle_errorhandlingCombo (const QString &s) {
if (s == "no correction")
handle_errors = NO_ERRORFIX;
else
if (s == "1 bit correction")
handle_errors = NORMAL_ERRORFIX;
else
handle_errors = STRONG_ERRORFIX;
}
void qt1090::update_table (int16_t index, int newval) {
switch (index) {
case 0:
DF0 -> display (newval);
break;
case 4:
DF4 -> display (newval);
break;
case 5:
DF5 -> display (newval);
break;
case 11:
DF11 -> display (newval);
break;
case 16:
DF16 -> display (newval);
break;
case 17:
DF17 -> display (newval);
break;
case 20:
DF20 -> display (newval);
break;
case 21:
DF21 -> display (newval);
break;
case 24:
DF24 -> display (newval);
break;
default:
// fprintf (stderr, "DF%d -> %d\n", index, newval);
break;
}
}
// selecting a device
void qt1090::setDevice (const QString &device) {
theDevice = nullptr;
#ifdef __HAVE_RTLTCP__
if (device == "network") {
try {
theDevice = new rtltcpHandler (qt1090Settings, this -> frequency);
} catch (int e) {
fprintf (stderr, "no valid network connection, trying devices\n");
return;
}
}
else
#endif
#ifdef __HAVE_HACKRF__
if (device == "hackrf") {
try {
theDevice = new hackrfHandler (qt1090Settings, this -> frequency);
} catch (int e) {
fprintf (stderr, "no hackrf detected, try again\n");
return;
}
}
else
#endif
#ifdef __HAVE_SDRPLAY_V2
if (device == "sdrplay-v2") {
try {
theDevice = new sdrplayHandler_v2 (qt1090Settings, this -> frequency);
} catch (int e) {
fprintf (stderr, "no sdrplay detected, try again\n");
return;
}
}
else
#endif
#ifdef __HAVE_SDRPLAY_V3
if (device == "sdrplay-v3") {
try {
theDevice = new sdrplayHandler_v3 (qt1090Settings, this -> frequency);
} catch (int e) {
fprintf (stderr, "no sdrplay detected, try again\n");
return;
}
}
else
#endif
#ifdef __HAVE_RTLSDR__
if (device == "rtlsdr") {
try {
theDevice = new rtlsdrHandler (qt1090Settings, this -> frequency);
} catch (int e) {
fprintf (stderr, "no rtlsdr device detected, try again\n");
return;
}
}
else
#endif
#ifdef __HAVE_AIRSPY__
if (device == "airspy") {
try {
theDevice = new airspyHandler (qt1090Settings, this -> frequency);
} catch (int e) {
fprintf (stderr, "no airspy device detected, try again\n");
return;
}
}
else
#endif
#ifdef __HAVE_PLUTO__
if (device == "pluto") {
try {
theDevice = new plutoHandler (qt1090Settings, this -> frequency);
} catch (int e) {
fprintf (stderr, "no pluto device detected, try again\n");
return;
}
}
else
#endif
#ifdef __HAVE_LIME__
if (device == "lime") {
try {
theDevice = new limeHandler (qt1090Settings, this -> frequency);
} catch (int e) {
fprintf (stderr, "no lime device detected, try again\n");
return;
}
}
#endif
if (theDevice == nullptr)
return;
//
// we have a device,
disconnect (deviceSelector, SIGNAL (activated (const QString &)),
this, SLOT (setDevice (const QString &)));
deviceSelector -> hide ();
this -> viewer -> setBitDepth (theDevice -> nrBits ());
connect (theDevice, SIGNAL (dataAvailable ()),
this, SLOT (processData ()));
pthread_create (&reader_thread,
nullptr,
readerThreadEntryPoint,
(void *)(theDevice));
running. store (true);
}
void qt1090::handle_dumpButton () {
if (dumpfilePointer != 0) {
fclose (dumpfilePointer);
dumpfilePointer = nullptr;
dumpButton -> setText ("dump");
return;
}
QString file = QFileDialog::getSaveFileName (this,
tr ("Open file ..."),
QDir::homePath (),
tr ("txt data (*.txt)"));
file = QDir::toNativeSeparators (file);
dumpfilePointer = fopen (file. toLatin1 (). data (), "w");
if (dumpfilePointer != nullptr)
dumpButton -> setText ("dumping");
}
void qt1090::handle_set_coordinatesButton () {
coordinates theCoordinator (qt1090Settings);
(void)theCoordinator. QDialog::exec ();
}
void qt1090::handle_autoBrowser (int x) {
(void)x;
qt1090Settings -> setValue ("autoBrowser",
autoBrowserSelector -> isChecked () ? 1 : 0);
}